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Anesthesia choice may affect immune system during breast cancer surgery

NCT ID NCT07648810

Knowledge-focused Sponsor: Clinical Hospital Center Rijeka Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study will enroll 56 women with breast cancer to see if two different regional anesthesia techniques (paravertebral block vs. erector spinae plane block) cause different immune responses during surgery. Participants will receive one of the two blocks along with general anesthesia using propofol. Blood samples will be taken before surgery and at 24 and 48 hours after to measure immune markers. The goal is to find which method may be less disruptive to the immune system.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
regional anesthetic injection (paravertebral block or erector spinae plane block) with propofol general anesthesia
What this could lead to
If it works, this could help doctors choose an anesthesia method that causes less immune disruption during breast cancer surgery.
What could go wrong
This is a small, early-stage study (56 participants) that only measures immune markers, not long-term outcomes. Results may not change practice or apply to all patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 56 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Apr 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * ASA I and ASA II status, normal BMI Exclusion Criteria: * ASA III and ASA IV status, coagulopathy, chronic opioid use, diabetes, local infection of the skin

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Conditions

The condition(s) this trial relates to.

breast cancer female breast carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Breast cancer female

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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